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From: Alban Crequy <alban-lYLaGTFnO9sWenYVfaLwtA@public.gmane.org>
To: "Eric W. Biederman" <ebiederm-aS9lmoZGLiVWk0Htik3J/w@public.gmane.org>
Cc: Miklos Szeredi <mszeredi-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org>,
	Linux Containers
	<containers-cunTk1MwBs9QetFLy7KEm3xJsTq8ys+cHZ5vskTnxNA@public.gmane.org>,
	LKML <linux-kernel-u79uwXL29TY76Z2rM5mHXA@public.gmane.org>,
	Seth Forshee
	<seth.forshee-Z7WLFzj8eWMS+FvcfC7Uqw@public.gmane.org>,
	Sargun Dhillon <sargun-GaZTRHToo+CzQB+pC5nmwQ@public.gmane.org>
Subject: Re: [PATCH v5 00/11] FUSE mounts from non-init user namespaces
Date: Thu, 18 Jan 2018 15:58:41 +0100	[thread overview]
Message-ID: <CADZs7q438szfwd-kaaRDnpDFrmno3zy7Zq+6EsnotW8bS0vrTA__46223.7509470016$1516287438$gmane$org@mail.gmail.com> (raw)
In-Reply-To: <CANxcAMvwwiPXBTKmTM9sEo8Y1T--V7fNaFqzHfyEvwvaYQV60A-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>

On Tue, Jan 9, 2018 at 4:05 PM, Dongsu Park <dongsu-lYLaGTFnO9sWenYVfaLwtA@public.gmane.org> wrote:
> Hi,
>
> On Mon, Dec 25, 2017 at 8:05 AM, Eric W. Biederman
> <ebiederm-aS9lmoZGLiVWk0Htik3J/w@public.gmane.org> wrote:
>> Dongsu Park <dongsu-lYLaGTFnO9sWenYVfaLwtA@public.gmane.org> writes:
>>
>>> This patchset v5 is based on work by Seth Forshee and Eric Biederman.
>>> The latest patchset was v4:
>>> https://www.mail-archive.com/linux-kernel-u79uwXL29TY76Z2rM5mHXA@public.gmane.org/msg1132206.html
>>>
>>> At the moment, filesystems backed by physical medium can only be mounted
>>> by real root in the initial user namespace. This restriction exists
>>> because if it's allowed for root user in non-init user namespaces to
>>> mount the filesystem, then it effectively allows the user to control the
>>> underlying source of the filesystem. In case of FUSE, the source would
>>> mean any underlying device.
>>>
>>> However, in many use cases such as containers, it's necessary to allow
>>> filesystems to be mounted from non-init user namespaces. Goal of this
>>> patchset is to allow FUSE filesystems to be mounted from non-init user
>>> namespaces. Support for other filesystems like ext4 are not in the
>>> scope of this patchset.
>>>
>>> Let me describe how to test mounting from non-init user namespaces. It's
>>> assumed that tests are done via sshfs, a userspace filesystem based on
>>> FUSE with ssh as backend. Testing system is Fedora 27.
>>
>> In general I am for this work, and more bodies and more eyes on it is
>> generally better.
>>
>> I will review this after the New Year, I am out for the holidays right
>> now.
>
> Thanks. I'll wait for your review.

Hi Eric,

Do you have some cycles for this now that it is the new year?

A review on the associated ima issue would also be appreciated:
https://www.mail-archive.com/linux-kernel-u79uwXL29TY76Z2rM5mHXA@public.gmane.org/msg1587678.html

Cheers,
Alban

>>> ====
>>> $ sudo dnf install -y sshfs
>>> $ sudo mkdir -p /mnt/userns
>>>
>>> ### workaround to get the sshfs permission checks
>>> $ sudo chown -R $UID:$UID /etc/ssh/ssh_config.d /usr/share/crypto-policies
>>>
>>> $ unshare -U -r -m
>>> # sshfs root@localhost: /mnt/userns
>>>
>>> ### You can see sshfs being mounted from a non-init user namespace
>>> # mount | grep sshfs
>>> root@localhost: on /mnt/userns type fuse.sshfs
>>> (rw,nosuid,nodev,relatime,user_id=0,group_id=0)
>>>
>>> # touch /mnt/userns/test
>>> # ls -l /mnt/userns/test
>>> -rw-r--r-- 1 root root 0 Dec 11 19:01 /mnt/userns/test
>>> ====
>>>
>>> Open another terminal, check the mountpoint from outside the namespace.
>>>
>>> ====
>>> $ grep userns /proc/$(pidof sshfs)/mountinfo
>>> 131 102 0:35 / /mnt/userns rw,nosuid,nodev,relatime - fuse.sshfs
>>> root@localhost: rw,user_id=0,group_id=0
>>> ====
>>>
>>> After all tests are done, you can unmount the filesystem
>>> inside the namespace.
>>>
>>> ====
>>> # fusermount -u /mnt/userns
>>> ====
>>>
>>> Changes since v4:
>>>  * Remove other parts like ext4 to keep the patchset minimal for FUSE
>>>  * Add and change commit messages
>>>  * Describe how to test non-init user namespaces
>>>
>>> TODO:
>>>  * Think through potential security implications. There are 2 patches
>>>    being prepared for security issues. One is "ima: define a new policy
>>>    option named force" by Mimi Zohar, which adds an option to specify
>>>    that the results should not be cached:
>>>    https://marc.info/?l=linux-integrity&m=151275680115856&w=2
>>>    The other one is to basically prevent FUSE results from being cached,
>>>    which is still in progress.
>>>
>>>  * Test IMA/LSMs. Details are written in
>>>    https://github.com/kinvolk/fuse-userns-patches/blob/master/tests/TESTING_INTEGRITY.md
>>>
>>> Patches 1-2 deal with an additional flag of lookup_bdev() to check for
>>> additional inode permission.
>>>
>>> Patches 3-7 allow the superblock owner to change ownership of inodes, and
>>> deal with additional capability checks w.r.t user namespaces.
>>>
>>> Patches 8-10 allow FUSE filesystems to be mounted outside of the init
>>> user namespace.
>>>
>>> Patch 11 handles a corner case of non-root users in EVM.
>>>
>>> The patchset is also available in our github repo:
>>>   https://github.com/kinvolk/linux/tree/dongsu/fuse-userns-v5-1
>>>
>>>
>>> Eric W. Biederman (1):
>>>   fs: Allow superblock owner to change ownership of inodes
>>>
>>> Seth Forshee (10):
>>>   block_dev: Support checking inode permissions in lookup_bdev()
>>>   mtd: Check permissions towards mtd block device inode when mounting
>>>   fs: Don't remove suid for CAP_FSETID for userns root
>>>   fs: Allow superblock owner to access do_remount_sb()
>>>   capabilities: Allow privileged user in s_user_ns to set security.*
>>>     xattrs
>>>   fs: Allow CAP_SYS_ADMIN in s_user_ns to freeze and thaw filesystems
>>>   fuse: Support fuse filesystems outside of init_user_ns
>>>   fuse: Restrict allow_other to the superblock's namespace or a
>>>     descendant
>>>   fuse: Allow user namespace mounts
>>>   evm: Don't update hmacs in user ns mounts
>>>
>>>  drivers/md/bcache/super.c           |  2 +-
>>>  drivers/md/dm-table.c               |  2 +-
>>>  drivers/mtd/mtdsuper.c              |  6 +++++-
>>>  fs/attr.c                           | 34 ++++++++++++++++++++++++++--------
>>>  fs/block_dev.c                      | 13 ++++++++++---
>>>  fs/fuse/cuse.c                      |  3 ++-
>>>  fs/fuse/dev.c                       | 11 ++++++++---
>>>  fs/fuse/dir.c                       | 16 ++++++++--------
>>>  fs/fuse/fuse_i.h                    |  6 +++++-
>>>  fs/fuse/inode.c                     | 35 +++++++++++++++++++++--------------
>>>  fs/inode.c                          |  6 ++++--
>>>  fs/ioctl.c                          |  4 ++--
>>>  fs/namespace.c                      |  4 ++--
>>>  fs/proc/base.c                      |  7 +++++++
>>>  fs/proc/generic.c                   |  7 +++++++
>>>  fs/proc/proc_sysctl.c               |  7 +++++++
>>>  fs/quota/quota.c                    |  2 +-
>>>  include/linux/fs.h                  |  2 +-
>>>  kernel/user_namespace.c             |  1 +
>>>  security/commoncap.c                |  8 ++++++--
>>>  security/integrity/evm/evm_crypto.c |  3 ++-
>>>  21 files changed, 127 insertions(+), 52 deletions(-)

  parent reply	other threads:[~2018-01-18 14:58 UTC|newest]

Thread overview: 219+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2017-12-22 14:32 [PATCH v5 00/11] FUSE mounts from non-init user namespaces Dongsu Park
2017-12-22 14:32 ` [PATCH 01/11] block_dev: Support checking inode permissions in lookup_bdev() Dongsu Park
2017-12-22 18:59   ` Coly Li
2017-12-23 12:00     ` Dongsu Park
     [not found]     ` <17fbec10-68b1-2d2b-d417-2cdfee22b0fa-53JG2FQvpdo@public.gmane.org>
2017-12-23 12:00       ` Dongsu Park
     [not found]   ` <ef5e609602df6d7e2b4aa07b92600f04b6851902.1512041070.git.dongsu-lYLaGTFnO9sWenYVfaLwtA@public.gmane.org>
2017-12-22 18:59     ` Coly Li
2017-12-23  3:03     ` Serge E. Hallyn
2017-12-23  3:03   ` Serge E. Hallyn
2017-12-22 14:32 ` [PATCH 03/11] fs: Allow superblock owner to change ownership of inodes Dongsu Park
     [not found]   ` <ac3d34002d7690f6ca5928b57b7fc4d707104b04.1512041070.git.dongsu-lYLaGTFnO9sWenYVfaLwtA@public.gmane.org>
2017-12-23  3:17     ` Serge E. Hallyn
2017-12-23  3:17       ` Serge E. Hallyn
2018-01-05 19:24     ` Luis R. Rodriguez
2018-02-13 13:18     ` Miklos Szeredi
2018-01-05 19:24   ` Luis R. Rodriguez
2018-01-09 15:10     ` Dongsu Park
2018-01-09 17:23       ` Luis R. Rodriguez
     [not found]       ` <CANxcAMvDQFH0g5PPnVZ3p2Tei04N+8fNf0pk02DrfTkBHjjrPQ-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2018-01-09 17:23         ` Luis R. Rodriguez
     [not found]     ` <20180105192407.GF22430-B4tOwbsTzaBolqkO4TVVkw@public.gmane.org>
2018-01-09 15:10       ` Dongsu Park
2018-02-13 13:18   ` Miklos Szeredi
2018-02-16 22:00     ` Eric W. Biederman
     [not found]     ` <CAOssrKcZeAHsRz7P_dxh==QAKnp7HeSTh4vWY2tgbWa1ZD918g-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2018-02-16 22:00       ` Eric W. Biederman
2017-12-22 14:32 ` [PATCH 04/11] fs: Don't remove suid for CAP_FSETID for userns root Dongsu Park
     [not found]   ` <ddf1fb9b5001e633e0022dee7fecb0ef431e851f.1512041070.git.dongsu-lYLaGTFnO9sWenYVfaLwtA@public.gmane.org>
2017-12-23  3:26     ` Serge E. Hallyn
2017-12-23  3:26   ` Serge E. Hallyn
2017-12-23 12:38     ` Dongsu Park
     [not found]       ` <CANxcAMtpE05xpOPt3Ua+4DkiTzkW5hOo4BBpiNZh_5+RTCfThA-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2018-02-13 13:37         ` Miklos Szeredi
2018-02-13 13:37           ` Miklos Szeredi
     [not found]     ` <20171223032606.GD6837-7LNsyQBKDXoIagZqoN9o3w@public.gmane.org>
2017-12-23 12:38       ` Dongsu Park
2017-12-22 14:32 ` [PATCH 05/11] fs: Allow superblock owner to access do_remount_sb() Dongsu Park
     [not found]   ` <8dd484dceb9e96e5b67f21b8a0cf333753985e89.1512041070.git.dongsu-lYLaGTFnO9sWenYVfaLwtA@public.gmane.org>
2017-12-23  3:30     ` Serge E. Hallyn
2017-12-23  3:30   ` Serge E. Hallyn
2017-12-22 14:32 ` [PATCH 08/11] fuse: Support fuse filesystems outside of init_user_ns Dongsu Park
2018-01-17 10:59   ` Alban Crequy
2018-01-17 14:29     ` Seth Forshee
2018-01-17 18:56       ` Alban Crequy
2018-01-17 18:56       ` Alban Crequy
2018-01-17 19:31         ` Seth Forshee
2018-01-18 10:29           ` Alban Crequy
2018-01-18 10:29           ` Alban Crequy
     [not found]         ` <CADZs7q6ZHGHbrdL96Bmy148Zc6TxruiJrEeDjaDYEX8U-5QV1A-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2018-01-17 19:31           ` Seth Forshee
     [not found]     ` <CADZs7q5NA7Kox62vnCOkL=TGgzTxX+oNYz6=oNXKWkQkQwSMrA-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2018-01-17 14:29       ` Seth Forshee
     [not found]   ` <c85c293e19a478353aba8e6e3ee39e5914f798d5.1512041070.git.dongsu-lYLaGTFnO9sWenYVfaLwtA@public.gmane.org>
2017-12-23  3:46     ` Serge E. Hallyn
2017-12-23  3:46       ` Serge E. Hallyn
2018-01-17 10:59     ` Alban Crequy
2018-02-12 15:57     ` Miklos Szeredi
2018-02-12 15:57       ` Miklos Szeredi
2018-02-12 16:35       ` Eric W. Biederman
     [not found]         ` <87lgfy5fpd.fsf-aS9lmoZGLiVWk0Htik3J/w@public.gmane.org>
2018-02-13 10:20           ` Miklos Szeredi
2018-02-13 10:20         ` Miklos Szeredi
     [not found]           ` <CAOssrKcKz8p9YQJLf2W_NCBo+12auxir5jFwXGbANdWdgavpsw-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2018-02-16 21:52             ` Eric W. Biederman
2018-02-16 21:52           ` Eric W. Biederman
     [not found]       ` <CAOssrKd6vkMDwRT=QQofKCufzQczzQ7dXoVbVfVax-0HqD986w-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2018-02-12 16:35         ` Eric W. Biederman
2018-02-20  2:12     ` Eric W. Biederman
2018-02-20  2:12       ` Eric W. Biederman
     [not found] ` <cover.1512741134.git.dongsu-lYLaGTFnO9sWenYVfaLwtA@public.gmane.org>
2017-12-22 14:32   ` [PATCH 01/11] block_dev: Support checking inode permissions in lookup_bdev() Dongsu Park
2017-12-22 14:32   ` [PATCH 02/11] mtd: Check permissions towards mtd block device inode when mounting Dongsu Park
2017-12-22 14:32     ` Dongsu Park
     [not found]     ` <945d325a2239efcd55273abb2bac41cfc7264fea.1512041070.git.dongsu-lYLaGTFnO9sWenYVfaLwtA@public.gmane.org>
2017-12-22 21:06       ` Richard Weinberger
2017-12-23  3:05       ` Serge E. Hallyn
2017-12-22 21:06     ` Richard Weinberger
     [not found]       ` <CAFLxGvwzRBGJf0-jCAwGts1HwV_nT072+yhHLP079sxQezoTFQ-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2017-12-23 12:18         ` Dongsu Park
2017-12-23 12:18           ` Dongsu Park
     [not found]           ` <CANxcAMtVqgLmQaTtfJocGGgsn5dSX2CDwzh6bwv6OnjUUwsTrg-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2017-12-23 12:56             ` Richard Weinberger
2017-12-23 12:56           ` Richard Weinberger
2017-12-23  3:05     ` Serge E. Hallyn
2017-12-22 14:32   ` [PATCH 03/11] fs: Allow superblock owner to change ownership of inodes Dongsu Park
2017-12-22 14:32   ` [PATCH 04/11] fs: Don't remove suid for CAP_FSETID for userns root Dongsu Park
2017-12-22 14:32   ` [PATCH 05/11] fs: Allow superblock owner to access do_remount_sb() Dongsu Park
2017-12-22 14:32   ` [PATCH 06/11] capabilities: Allow privileged user in s_user_ns to set security.* xattrs Dongsu Park
2017-12-22 14:32     ` Dongsu Park
2017-12-22 14:32     ` Dongsu Park
2017-12-23  3:33     ` Serge E. Hallyn
2017-12-23  3:33       ` Serge E. Hallyn
     [not found]     ` <5adc5e31c25beb987798ecc219df79671547a9ac.1512041070.git.dongsu-lYLaGTFnO9sWenYVfaLwtA@public.gmane.org>
2017-12-23  3:33       ` Serge E. Hallyn
2017-12-22 14:32   ` [PATCH 07/11] fs: Allow CAP_SYS_ADMIN in s_user_ns to freeze and thaw filesystems Dongsu Park
2017-12-22 14:32     ` Dongsu Park
2017-12-23  3:39     ` Serge E. Hallyn
2018-02-14 12:28     ` Miklos Szeredi
     [not found]       ` <CAOssrKeSTY1pAhpmegFWdGh7irNbT4veG5JaYFj8Q1JjMynadw-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2018-02-19 22:56         ` Eric W. Biederman
2018-02-19 22:56           ` Eric W. Biederman
     [not found]     ` <61a37f0b159dd56825696d8d3beb8eaffdf1f72f.1512041070.git.dongsu-lYLaGTFnO9sWenYVfaLwtA@public.gmane.org>
2017-12-23  3:39       ` Serge E. Hallyn
2018-02-14 12:28       ` Miklos Szeredi
2017-12-22 14:32   ` [PATCH 08/11] fuse: Support fuse filesystems outside of init_user_ns Dongsu Park
2017-12-22 14:32   ` [PATCH 09/11] fuse: Restrict allow_other to the superblock's namespace or a descendant Dongsu Park
2017-12-22 14:32   ` [PATCH 10/11] fuse: Allow user namespace mounts Dongsu Park
2017-12-22 14:32   ` [PATCH 11/11] evm: Don't update hmacs in user ns mounts Dongsu Park
2017-12-25  7:05   ` [PATCH v5 00/11] FUSE mounts from non-init user namespaces Eric W. Biederman
2018-02-13 11:32   ` Miklos Szeredi
2018-02-13 11:32     ` Miklos Szeredi
2018-02-16 21:53     ` Eric W. Biederman
     [not found]     ` <CAOssrKey+oxahrXHO5d6Lu1ZD=r1t-b0i4iZM_Ke9ToqTckjkQ-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2018-02-16 21:53       ` Eric W. Biederman
2018-02-21 20:24   ` [PATCH v6 0/6] fuse: " Eric W. Biederman
2018-02-21 20:24     ` Eric W. Biederman
     [not found]     ` <878tbmf5vl.fsf-aS9lmoZGLiVWk0Htik3J/w@public.gmane.org>
2018-02-21 20:29       ` [PATCH v6 1/5] fuse: Remove the buggy retranslation of pids in fuse_dev_do_read Eric W. Biederman
2018-02-21 20:29         ` Eric W. Biederman
2018-02-22 10:13         ` Miklos Szeredi
     [not found]           ` <CAOssrKch20vj8phkjfjMe=07-8uQiuXfOuCTDjrMzPbkg6DoxA-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2018-02-22 19:04             ` Eric W. Biederman
2018-02-22 19:04               ` Eric W. Biederman
2018-02-21 20:29       ` [PATCH v6 2/5] fuse: Fail all requests with invalid uids or gids Eric W. Biederman
2018-02-21 20:29         ` Eric W. Biederman
2018-02-22 10:26         ` Miklos Szeredi
     [not found]           ` <CAOssrKeYuVj6ZWUrXp7R_d+wdoArnJ=mhRp22qE9JBW3x-7tfw-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2018-02-22 18:15             ` Eric W. Biederman
2018-02-22 18:15               ` Eric W. Biederman
2018-02-21 20:29       ` [PATCH v6 3/5] fuse: Support fuse filesystems outside of init_user_ns Eric W. Biederman
2018-02-21 20:29         ` Eric W. Biederman
2018-02-21 20:29       ` [PATCH v6 4/5] fuse: Ensure posix acls are translated " Eric W. Biederman
2018-02-21 20:29         ` Eric W. Biederman
2018-02-22 11:40         ` Miklos Szeredi
     [not found]           ` <CAOssrKeNLBeMkMrrCeRBO9Z80zFxCCEygKL3DErnQ9xBoLkH0g-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2018-02-22 19:18             ` Eric W. Biederman
2018-02-22 19:18               ` Eric W. Biederman
     [not found]               ` <87inao6dfa.fsf-aS9lmoZGLiVWk0Htik3J/w@public.gmane.org>
2018-02-22 22:50                 ` Eric W. Biederman
2018-02-22 22:50                   ` Eric W. Biederman
2018-02-26  7:47                   ` Miklos Szeredi
     [not found]                     ` <CAOssrKd+c0Mx+=S-+zr1QS8a37Pm=VGki=FVR+LXQZBsk3byqA-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2018-02-26 16:35                       ` Eric W. Biederman
2018-02-26 16:35                         ` Eric W. Biederman
     [not found]                         ` <87zi3v1zga.fsf-aS9lmoZGLiVWk0Htik3J/w@public.gmane.org>
2018-02-26 21:51                           ` Eric W. Biederman
2018-02-26 21:51                             ` Eric W. Biederman
     [not found]                   ` <87mv004p0t.fsf-aS9lmoZGLiVWk0Htik3J/w@public.gmane.org>
2018-02-26  7:47                     ` Miklos Szeredi
2018-02-21 20:29       ` [PATCH v6 5/5] fuse: Restrict allow_other to the superblock's namespace or a descendant Eric W. Biederman
2018-02-21 20:29         ` Eric W. Biederman
2018-02-26 23:52       ` [PATCH v7 0/7] fuse: mounts from non-init user namespaces Eric W. Biederman
2018-02-26 23:52     ` Eric W. Biederman
2018-02-26 23:52       ` [PATCH v7 1/7] fuse: Remove the buggy retranslation of pids in fuse_dev_do_read Eric W. Biederman
     [not found]       ` <87po4rz4ui.fsf_-_-aS9lmoZGLiVWk0Htik3J/w@public.gmane.org>
2018-02-26 23:52         ` Eric W. Biederman
2018-02-26 23:52         ` [PATCH v7 2/7] fuse: Fail all requests with invalid uids or gids Eric W. Biederman
2018-02-26 23:52           ` Eric W. Biederman
2018-02-26 23:52         ` [PATCH v7 3/7] fs/posix_acl: Document that get_acl respects ACL_DONT_CACHE Eric W. Biederman
2018-02-26 23:52         ` [PATCH v7 4/7] fuse: Cache a NULL acl when FUSE_GETXATTR returns -ENOSYS Eric W. Biederman
2018-02-26 23:53         ` [PATCH v7 5/7] fuse: Simplfiy the posix acl handling logic Eric W. Biederman
2018-02-26 23:53           ` Eric W. Biederman
     [not found]           ` <20180226235302.12708-5-ebiederm-aS9lmoZGLiVWk0Htik3J/w@public.gmane.org>
2018-02-27  9:00             ` Miklos Szeredi
2018-02-27  9:00           ` Miklos Szeredi
     [not found]             ` <CAOssrKeWvYpgj4_cgsRBL_kTOHyRS-9_mfO9JHP-JahgqFnfHQ-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2018-03-02 21:49               ` Eric W. Biederman
2018-03-02 21:49                 ` Eric W. Biederman
2018-02-26 23:53         ` [PATCH v7 6/7] fuse: Support fuse filesystems outside of init_user_ns Eric W. Biederman
2018-02-26 23:53           ` Eric W. Biederman
2018-02-26 23:53         ` [PATCH v7 7/7] fuse: Restrict allow_other to the superblock's namespace or a descendant Eric W. Biederman
2018-03-02 21:58         ` [PATCH v8 0/6] fuse: mounts from non-init user namespaces Eric W. Biederman
2018-02-26 23:52       ` [PATCH v7 3/7] fs/posix_acl: Document that get_acl respects ACL_DONT_CACHE Eric W. Biederman
     [not found]         ` <20180226235302.12708-3-ebiederm-aS9lmoZGLiVWk0Htik3J/w@public.gmane.org>
2018-02-27  1:13           ` Linus Torvalds
2018-02-27  1:13             ` Linus Torvalds
     [not found]             ` <CA+55aFySgJyR6JLcS9HLC9wEpWU1isdyTkchHxZHbJWsh7HFpg-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2018-02-27  2:53               ` Eric W. Biederman
2018-02-27  2:53                 ` Eric W. Biederman
     [not found]                 ` <87r2p7rvn5.fsf-aS9lmoZGLiVWk0Htik3J/w@public.gmane.org>
2018-02-27  3:14                   ` Eric W. Biederman
2018-02-27  3:14                     ` Eric W. Biederman
     [not found]                     ` <87tvu3qg2b.fsf-aS9lmoZGLiVWk0Htik3J/w@public.gmane.org>
2018-02-27  3:41                       ` Linus Torvalds
2018-02-27  3:41                     ` Linus Torvalds
     [not found]                       ` <CA+55aFwPo7Pbq+3Oup-oo8MUFHeEpFXp7qr6z2PrzKp7S0ON+A-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2018-03-02 19:53                         ` [RFC][PATCH] fs/posix_acl: Update the comments and support lightweight cache skipping Eric W. Biederman
2018-03-02 19:53                       ` Eric W. Biederman
2018-02-27  3:36                   ` [PATCH v7 3/7] fs/posix_acl: Document that get_acl respects ACL_DONT_CACHE Linus Torvalds
2018-02-27  3:36                     ` Linus Torvalds
2018-02-26 23:52       ` [PATCH v7 4/7] fuse: Cache a NULL acl when FUSE_GETXATTR returns -ENOSYS Eric W. Biederman
2018-02-26 23:53       ` [PATCH v7 7/7] fuse: Restrict allow_other to the superblock's namespace or a descendant Eric W. Biederman
2018-03-02 21:58       ` [PATCH v8 0/6] fuse: mounts from non-init user namespaces Eric W. Biederman
     [not found]         ` <87r2p287i8.fsf_-_-aS9lmoZGLiVWk0Htik3J/w@public.gmane.org>
2018-03-02 21:59           ` [PATCH v8 1/6] fs/posix_acl: Update the comments and support lightweight cache skipping Eric W. Biederman
2018-03-02 21:59             ` Eric W. Biederman
     [not found]             ` <20180302215919.27207-1-ebiederm-aS9lmoZGLiVWk0Htik3J/w@public.gmane.org>
2018-03-05  9:53               ` Miklos Szeredi
2018-03-05  9:53             ` Miklos Szeredi
     [not found]               ` <CAOssrKf0cuxx1YLiwFJHSnzMOOoejjWWibs98Mb5KSXVSSXfOg-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2018-03-05 13:53                 ` Eric W. Biederman
2018-03-05 13:53                   ` Eric W. Biederman
2018-03-02 21:59           ` [PATCH v8 2/6] fuse: Simplfiy the posix acl handling logic Eric W. Biederman
2018-03-02 21:59             ` Eric W. Biederman
2018-03-02 21:59           ` [PATCH v8 3/6] fuse: Remove the buggy retranslation of pids in fuse_dev_do_read Eric W. Biederman
2018-03-02 21:59             ` Eric W. Biederman
2018-03-02 21:59           ` [PATCH v8 4/6] fuse: Fail all requests with invalid uids or gids Eric W. Biederman
2018-03-02 21:59           ` [PATCH v8 5/6] fuse: Support fuse filesystems outside of init_user_ns Eric W. Biederman
2018-03-02 21:59           ` [PATCH v8 6/6] fuse: Restrict allow_other to the superblock's namespace or a descendant Eric W. Biederman
2018-03-02 21:59             ` Eric W. Biederman
2018-03-08 21:23           ` [PATCH v9 0/4] fuse: mounts from non-init user namespaces Eric W. Biederman
2018-03-08 21:23             ` Eric W. Biederman
2018-03-08 21:24             ` [PATCH v9 1/4] fuse: Remove the buggy retranslation of pids in fuse_dev_do_read Eric W. Biederman
     [not found]             ` <87ina6ntx0.fsf_-_-aS9lmoZGLiVWk0Htik3J/w@public.gmane.org>
2018-03-08 21:24               ` Eric W. Biederman
2018-03-08 21:24               ` [PATCH v9 2/4] fuse: Fail all requests with invalid uids or gids Eric W. Biederman
2018-03-08 21:24                 ` Eric W. Biederman
2018-03-08 21:24               ` [PATCH v9 3/4] fuse: Support fuse filesystems outside of init_user_ns Eric W. Biederman
2018-03-08 21:24               ` [PATCH v9 4/4] fuse: Restrict allow_other to the superblock's namespace or a descendant Eric W. Biederman
2018-03-20 16:25               ` [PATCH v9 0/4] fuse: mounts from non-init user namespaces Miklos Szeredi
2018-03-08 21:24             ` [PATCH v9 3/4] fuse: Support fuse filesystems outside of init_user_ns Eric W. Biederman
2018-03-08 21:24             ` [PATCH v9 4/4] fuse: Restrict allow_other to the superblock's namespace or a descendant Eric W. Biederman
2018-03-20 16:25             ` [PATCH v9 0/4] fuse: mounts from non-init user namespaces Miklos Szeredi
     [not found]               ` <CAOssrKebhX-nm06RAwep8HUUV4QpsAa=ZOgxdRyP=WF9p-=4Tw-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2018-03-20 18:27                 ` Eric W. Biederman
2018-03-20 18:27                   ` Eric W. Biederman
2018-03-21  8:38                   ` Miklos Szeredi
     [not found]                   ` <87tvta38lu.fsf-aS9lmoZGLiVWk0Htik3J/w@public.gmane.org>
2018-03-21  8:38                     ` Miklos Szeredi
2018-03-02 21:59         ` [PATCH v8 4/6] fuse: Fail all requests with invalid uids or gids Eric W. Biederman
2018-03-02 21:59         ` [PATCH v8 5/6] fuse: Support fuse filesystems outside of init_user_ns Eric W. Biederman
2017-12-22 14:32 ` [PATCH 09/11] fuse: Restrict allow_other to the superblock's namespace or a descendant Dongsu Park
2017-12-23  3:50   ` Serge E. Hallyn
     [not found]   ` <d055925e5d5c0099e9e9c871004fb45fab67e4bc.1512041070.git.dongsu-lYLaGTFnO9sWenYVfaLwtA@public.gmane.org>
2017-12-23  3:50     ` Serge E. Hallyn
2018-02-19 23:16     ` Eric W. Biederman
2018-02-19 23:16       ` Eric W. Biederman
2017-12-22 14:32 ` [PATCH 10/11] fuse: Allow user namespace mounts Dongsu Park
     [not found]   ` <a26103156b3f6ba73b1e46c6f577f1bee74872d9.1512041070.git.dongsu-lYLaGTFnO9sWenYVfaLwtA@public.gmane.org>
2017-12-23  3:51     ` Serge E. Hallyn
2017-12-23  3:51       ` Serge E. Hallyn
2018-02-14 13:44     ` Miklos Szeredi
2018-02-14 13:44   ` Miklos Szeredi
     [not found]     ` <CAOssrKcHOp9OaCWRALsxe5MTk+tv7Gi5rPsHz2VLguzK-P+LMw-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2018-02-15  8:46       ` Miklos Szeredi
2018-02-15  8:46     ` Miklos Szeredi
2017-12-22 14:32 ` [PATCH 11/11] evm: Don't update hmacs in user ns mounts Dongsu Park
2017-12-22 14:32   ` Dongsu Park
     [not found]   ` <1f2233a1a028f1eb1e9bea7d06efa6d34e69e752.1512041070.git.dongsu-lYLaGTFnO9sWenYVfaLwtA@public.gmane.org>
2017-12-23  4:03     ` Serge E. Hallyn
2017-12-23  4:03       ` Serge E. Hallyn
2017-12-23  4:03       ` Serge E. Hallyn
     [not found]       ` <20171223040348.GK6837-7LNsyQBKDXoIagZqoN9o3w@public.gmane.org>
2017-12-24  5:12         ` Mimi Zohar
2017-12-24  5:12       ` Mimi Zohar
2017-12-24  5:12         ` Mimi Zohar
2017-12-24  5:12         ` Mimi Zohar
     [not found]         ` <1514092328.5221.116.camel-23VcF4HTsmIX0ybBhKVfKdBPR1lH4CV8@public.gmane.org>
2017-12-24  5:56           ` Mimi Zohar
2017-12-24  5:56         ` Mimi Zohar
2017-12-24  5:56           ` Mimi Zohar
2017-12-24  5:56           ` Mimi Zohar
2017-12-25  7:05 ` [PATCH v5 00/11] FUSE mounts from non-init user namespaces Eric W. Biederman
     [not found]   ` <877etbcmnd.fsf-aS9lmoZGLiVWk0Htik3J/w@public.gmane.org>
2018-01-09 15:05     ` Dongsu Park
2018-01-09 15:05   ` Dongsu Park
2018-01-18 14:58     ` Alban Crequy
     [not found]       ` <CADZs7q438szfwd-kaaRDnpDFrmno3zy7Zq+6EsnotW8bS0vrTA-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2018-02-19 23:09         ` Eric W. Biederman
2018-02-19 23:09           ` Eric W. Biederman
     [not found]     ` <CANxcAMvwwiPXBTKmTM9sEo8Y1T--V7fNaFqzHfyEvwvaYQV60A-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2018-01-18 14:58       ` Alban Crequy [this message]
2017-12-22 14:32 Dongsu Park

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